The group said tickets for Tuesday’s show will be honored when the performance is rescheduled, although a date for the show was not immediately set. Refunds will also be available at the point of purchase.

It was not immediately clear whether any other upcoming Dead & Company tour dates would be affected.

People magazine reported that Mayer, 40, has been touring with the band, an offshoot of the Grateful Dead, this fall. He joined the group in 2015, alongside Oteil Burbridge, Jeff Chimenti and former Grateful Dead members Bob Weir, Mickey Hart and Bill Kreutzmann.

His fellow band members took to social media to wish him a speedy recovery: